diff --git a/Changelog b/Changelog
index e1fede1..a92fd1f 100644
--- a/Changelog
+++ b/Changelog
@@ -1,5 +1,9 @@
 [Changes 1.2.2]
 
+* Cast check_ext_mail and check_ext_mail_status function pointers to the
+  correct type before using them. This might have caused a problem with
+  the qmail plugin on 64 bit architectures. (caf)
+
 * Fix bug in DCC privileged port detection logic. (caf)
 
 * Don't show DCC "Handshake failed" message twice, improve the message itself
diff --git a/source/mail.c b/source/mail.c
index 0634961..b4b2455 100644
--- a/source/mail.c
+++ b/source/mail.c
@@ -87,8 +87,8 @@ int count_maildir_mail(void)
 
 
 #ifdef WANT_DLL
-#define check_ext_mail global_table[CHECK_EXT_MAIL]
-#define check_ext_mail_status global_table[CHECK_EXT_MAIL_STATUS]
+#define check_ext_mail ((char *(*)(void))global_table[CHECK_EXT_MAIL])
+#define check_ext_mail_status ((int (*)(void))global_table[CHECK_EXT_MAIL_STATUS])
 #endif
 
 /*
@@ -111,7 +111,7 @@ static time_t old_stat = 0;
 struct stat stat_buf;
 #endif        
 #ifdef WANT_DLL
-	if (check_ext_mail)
+	if (check_ext_mail_status)
 		return (*check_ext_mail_status)();
 #endif
 	if (!get_int_var(MAIL_VAR))
@@ -182,7 +182,7 @@ static	char ret_str[12];
 static  int	i = 0;
 #ifdef WANT_DLL
 	if (check_ext_mail)
-		return (char *)(*check_ext_mail)();
+		return (*check_ext_mail)();
 #endif
 	switch (get_int_var(MAIL_VAR))
 	{